Bugfix on report :Added unicode method on browse_null

bzr revid: jvo@tinyerp.com-20081229123601-y1bpr4syt2rtyu5d

diff --git a/bin/osv/orm.py b/bin/osv/orm.py
index 7641e6d..2c41d7b 100644 (file)
--- a/bin/osv/orm.py
+++ b/bin/osv/orm.py
@@ -94,6 +94,9 @@ class browse_null(object):
 
     def __nonzero__(self):
         return False
+    
+    def __unicode__(self):
+        return u''
 
 
 #